104195938889 has 32 divisors (see below), whose sum is σ = 126044921856. Its totient is φ = 84260943360.

The previous prime is 104195938849. The next prime is 104195938901. The reversal of 104195938889 is 988839591401.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104195938889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104195938849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1373342 + ... + 1447224.

It is an arithmetic number, because the mean of its divisors is an integer number (3938903808).

Almost surely, 2^104195938889 is an apocalyptic number.

It is an amenable number.

104195938889 is a deficient number, since it is larger than the sum of its proper divisors (21848982967).

104195938889 is an equidigital number, since it uses as much as digits as its factorization.

104195938889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74085.

The product of its (nonzero) digits is 22394880, while the sum is 65.

The spelling of 104195938889 in words is "one hundred four billion, one hundred ninety-five million, nine hundred thirty-eight thousand, eight hundred eighty-nine".